Centrifugal cream-separator.



PATENTED FEB. 7, 1905.

M. PBDERSEN. GENTRIFUGAL CREAM SEPARATOR.

APPLICATION TILED 00T.19 1903.

3 SHEETS-SHEET 1.

No. 781,847. PATENTED FEB. 7, 1905. M. PBDERSEN.

CENTRIFUGAL CREAM SBPARATOR.

APPLICATION FILED 00T.19, 1903.

3 SHEETS-SHEET 3.

No. 781,847. PATENTED FEB. '7, 1905. M. PEDERSEN.

GENTRIFUGAL CREAM SEPARATOR.

APPLICATION FILED OUT. 19, 1903.

3 SHEETS-SHEET 3.

along the inner or hollow sides of the plates, while the cream, which travels along the outer side of the conical plates, will not pass over the raised edges Z2 but is guided along the said edges to the channels Z), pointing toward the center and formed by the raised edges 5 In the modification illustrated by Figs. 8 and 9 the center opening in the conical plates is circular, the edges 5 being bent outwardly or raised against the next plate and provided with holes 6 for the cream to pass, and recesses I) in the edges forming spaces I) for the new milk to enter, or vice versa, the recesses b and spaces 6 being preferably placed alternatively.

By placing the circular conical plates with perforations, or the parts farthest away from the center, over one another space is formed for the inflowing milk to be equally distributed between all the plates and all over each plate.

The bottom a of the bowl or drum is preferably conically formed, rising toward the center to fit into the circular conical plates and is reduced in size near the center, so as to allow of a circular space a, while one or more projections are arranged in such circular space for the purpose of causing the new milk which enters through the inverted funnel or tube 0 t0 revolve with thebowl. From the circular space a the milk passes through the perforations 6 in the nearest conical plate corresponding with the perforations in conical plates over it, or if the second-described conical plates are used then the perforations will correspond with the parts of the inward edges of the said plates which are farthest from the center. In the modifications Figs. 8 and 9 the inlet-funnel may terminate near the bottom of the circular space, leaving space 'for the infiowing milk to pass through. It will be seen that the milk upon entering in this way can pass upward without disturbing the cream on its way toward the center, thereby enabling the milk to find its way to the spaces between the conical plates throughout the bowl or drum. In cases where the modification shown by Figs. 8 and 9 is used the cream passes in drops toward the center through the new milk.

The top conical plate B, having no perforations, is held at a distance from the top of the bowl or drum by radial distance-pieces (0, Figs. 12 and 15, thus allowing space for the separated milk to pass, and also carries from its center opening and upward a ring or neck a, which has a circular projection or edge a pointing toward the center and which is cut away in one or more places at a to allow for the cream to pass, a screw (4 or other suitable arrangement being employed for regulating the said space or spaces. The said ring or neck projects through the neck-opening of the bowl A, which is provided with a circular edge pointing toward the center, which edge .is cut away at a in one or more places to allow for the skim-milk to pass.

The separated liquids after leaving the bowl may be collected in two circular trays placed one over another, from which trays it is led through spouts or tubes. The unseparated liquids may be led to center of the bowl through a tube or the like.

The bowl may be mounted upside down without interfering with the above-described arrangements, except that the inlet may be arranged in the center of whatI have described as the bottom of the bowl.

Having now described my'invention, what I claim as new, and desire to secure by Letters Patent, is v 1. In a cream-separator, the combination of a rotating bowl or drum, and a series of conical plates mounted in said rotating bowl or drum having their outer edges flanged and perforated, substantially as set forth.

2. In acream-separator, the combination of a rotating bowl or drum, and a series of conical plates mounted in said bowl or drum and having their central channels bent outward with recesses and perforations arranged around the center.

3. In a cream-separator, the combination of a rotating bowl or drum, and a series of conical plates mounted in said bowl or drum having their centers cut away to form alternate recesses and spaces, said conical plates being provided with flanged and perforated outer edges.

4:. In a cream-separator, the combination of a rotating bowl or drum, and a series of conical plates mounted in said bowl or drum having a central opening and perforations therearound, said conical plates also being provided with perforated lower edges.

In witness whereof I have hereunto set my hand in the presence of two witnesses.

MIKAEL PEDERSEN.

WVitnesses:

WALTER H. E. BARTLAM, LEWIS WV. Groom). 

